var eye = document.querySelectorAll(".eye");
window.addEventListener('mousemove', function (event) {
    console.log("eye++++++")
    eye.forEach(function(eye){
        let x=(eye.getBoundingClientRect().left+eye.clientWidth/2);
        let y=(eye.getBoundingClientRect().top+eye.clientHeight/2);
        let radian=Math.atan2(event.pageX-x,event.pageY-y);
        let rot=(radian*(180/Math.PI)*-1)+270;
        eye.style.transform="rotate("+rot+"deg)";
    })

})